GNC Mega Men Multivitamin Review

Product Strengths

Product Weaknesses

Low effectiveness due to the use of synthetic ingredients with poor bioavailability.

Synthetic Vitamin A and Vitamin B12 (Cyanocobalamin) may cause mild toxicity if taken in high doses over long periods of time.

Missing key ingredients, which are common to higher-quality multivitamins.

The Bottom Line

With an Effectiveness Score of 6.8 on a 10 point scale, the GNC Mega Men ranks number 22 out of the 101 multivitamins we have evaluated.

Even though this multivitamin is affordable, we believe it does not provide the best value for money. If you are looking for a high quality multivitamin, see our ranking for the top multivitamins below.

Highest Quality Multivitamins in 2015

How does GNC Mega Men compare with other multivitamin brands?

MultivitaminGuide.org offers comparison between the GNC Mega Men multivitamins and of all major vitamin supplements available on the market.

Some of the unique aspects of this guide include comparison of the GNC Mega Men multivitamins with 100 other vitamin supplement products, including popular brands such as One-A-Day, Equate, Kirkland, Shaklee, Nature Made, NOW Foods, Melaleuca, Puritan’s Pride, Herbalife, TwinLab, and Walgreens.

The information on this site is the culmination of over 6 years of scientific research and analysis. Each of the reviewed products is evaluated against 4 key parameters, such as composition, bioavailability, potency and safety. Then each supplement is assigned a score from 0 to 10, which enables you to easily compare the effectiveness of different brands.

Ranking of all evaluated multivitamins

The table below provides a summary of the Effectiveness Scores of some of the more popular vitamin supplement brands available on the market, including the GNC Mega Men multivitamins.

Any vitamin supplement with a score that exceeds 8.0 is considered to be "excellent". For that reason, using a multivitamin product with a score of 8.0 or above is strongly advised.